Home / 749,612.28-1,124,418.42-217,133.49

Finding the Fourth Proportional to 749,612.28, 1,124,418.42 and 217,133.49

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Solution

The fourth proportional to 749,612.28, 1,124,418.42 and 217,133.49 is: 325,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,612.28 : 1,124,418.42 = 217,133.49 : x
  2. Step 2: Convert to fraction form
    749,612.28/1,124,418.42 = 217,133.49/x
  3. Step 3: Cross multiply
    749,612.28x = 1,124,418.42 × 217,133.49
  4. Step 4: Simplify right side
    749,612.28x = 244,148,895,754.89
  5. Step 5: Solve for x
    x = 244,148,895,754.89/749,612.28
  6. Step 6: Final answer
    x = 325,700.24

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Half scale
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Double scale
Find fourth proportional to 749,613.28, 1,124,419.92 and 217,134.49
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.